Create errcheck checker and add handler

check/errcheck.go

@@ -0,0 +1,27 @@
+package check
+
+// errcheck is the check for the errcheck command
+type Errcheck struct {
+	Dir       string
+	Filenames []string
+}
+
+// Name returns the name of the display name of the command
+func (e Errcheck) Name() string {
+	return "errcheck"
+}
+
+// Weight returns the weight this check has in the overall average
+func (e Errcheck) Weight() float64 {
+	return .10
+}
+
+// Percentage returns the percentage of .go files that pass errcheck
+func (e Errcheck) Percentage() (float64, []FileSummary, error) {
+	return GoTool(e.Dir, e.Filenames, []string{"gometalinter", "--deadline=180s", "--disable-all", "--enable=errcheck", "--min-confidence=0.85"})
+}
+
+// Description returns the description of errcheck
+func (e Errcheck) Description() string {
+	return `errcheck checks that you checked errors.`
+}

handlers/checks.go

@@ -183,6 +183,7 @@ func newChecksResp(repo string, forceRefresh bool) (checksResp, error) {
 		check.GoLint{Dir: dir, Filenames: filenames},
 		check.GoCyclo{Dir: dir, Filenames: filenames},
 		check.License{Dir: dir, Filenames: []string{}},
+		check.Errcheck{Dir: dir, Filenames: filenames},
 		check.Misspell{Dir: dir, Filenames: filenames},
 		check.IneffAssign{Dir: dir, Filenames: filenames},
 	}